Core: Allow adding additional information to about dialog.

Purpose is to get rid of hard coded license information string in the Qt
Creator binary.

Change-Id: I867e2aed010f8a622adfbb89ac96dccbc8229161
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/coreplugin/icore.cpp

@@ -572,6 +572,16 @@ void ICore::saveSettings()
     ICore::settings(QSettings::UserScope)->sync();
 }
 
+QStringList ICore::additionalAboutInformation()
+{
+    return m_mainwindow->additionalAboutInformation();
+}
+
+void ICore::appendAboutInformation(const QString &line)
+{
+    m_mainwindow->appendAboutInformation(line);
+}
+
 void ICore::validateNewItemDialogIsRunning()
 {
     static bool wasRunning = false;

src/plugins/coreplugin/icore.h

@@ -146,6 +146,11 @@ signals:
     void contextChanged(const Core::Context &context);
     void themeChanged();
 
+public:
+    /* internal use */
+    static QStringList additionalAboutInformation();
+    static void appendAboutInformation(const QString &line);
+
 private:
     static void validateNewItemDialogIsRunning();
     static void newItemDialogOpened();

src/plugins/coreplugin/mainwindow.cpp

@@ -239,6 +239,16 @@ void MainWindow::setOverrideColor(const QColor &color)
     m_overrideColor = color;
 }
 
+QStringList MainWindow::additionalAboutInformation() const
+{
+    return m_aboutInformation;
+}
+
+void MainWindow::appendAboutInformation(const QString &line)
+{
+    m_aboutInformation.append(line);
+}
+
 MainWindow::~MainWindow()
 {
     // explicitly delete window support, because that calls methods from ICore that call methods

src/plugins/coreplugin/mainwindow.h

@@ -110,6 +110,9 @@ public:
 
     void setOverrideColor(const QColor &color);
 
+    QStringList additionalAboutInformation() const;
+    void appendAboutInformation(const QString &line);
+
 signals:
     void newItemDialogRunningChanged();
 
@@ -152,6 +155,7 @@ private:
     void writeSettings();
 
     ICore *m_coreImpl;
+    QStringList m_aboutInformation;
     Context m_highPrioAdditionalContexts;
     Context m_lowPrioAdditionalContexts;
     SettingsDatabase *m_settingsDatabase;

src/plugins/coreplugin/versiondialog.cpp

@@ -33,6 +33,7 @@
 #include <app/app_version.h>
 #include <coreplugin/coreconstants.h>
 #include <coreplugin/icore.h>
+#include <utils/algorithm.h>
 #include <utils/hostosinfo.h>
 #include <utils/qtcassert.h>
 
@@ -68,14 +69,19 @@ VersionDialog::VersionDialog(QWidget *parent)
      buildDateInfo = tr("<br/>Built on %1 %2<br/>").arg(QLatin1String(__DATE__), QLatin1String(__TIME__));
 #endif
 
+    const QString br = QLatin1String("<br/>");
+    const QStringList additionalInfoLines = ICore::additionalAboutInformation();
+    const QString additionalInfo = Utils::transform(additionalInfoLines, &QString::toHtmlEscaped)
+        .join(br);
 
-     const QString description = tr(
+    const QString description = tr(
         "<h3>%1</h3>"
         "%2<br/>"
         "%3"
         "%4"
+        "%5"
         "<br/>"
-        "Copyright 2008-%5 %6. All rights reserved.<br/>"
+        "Copyright 2008-%6 %7. All rights reserved.<br/>"
         "<br/>"
         "The program is provided AS IS with NO WARRANTY OF ANY KIND, "
         "INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A "
@@ -84,6 +90,7 @@ VersionDialog::VersionDialog(QWidget *parent)
              ICore::buildCompatibilityString(),
              buildDateInfo,
              ideRev,
+             additionalInfo.isEmpty() ? QString() : br + additionalInfo + br,
              QLatin1String(Constants::IDE_YEAR),
              QLatin1String(Constants::IDE_AUTHOR));